Home / 705,763.20-1,056,895.20-452,654.40

Finding the Fourth Proportional to 705,763.20, 1,056,895.20 and 452,654.40

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Solution

The fourth proportional to 705,763.20, 1,056,895.20 and 452,654.40 is: 677,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,763.20 : 1,056,895.20 = 452,654.40 : x
  2. Step 2: Convert to fraction form
    705,763.20/1,056,895.20 = 452,654.40/x
  3. Step 3: Cross multiply
    705,763.20x = 1,056,895.20 × 452,654.40
  4. Step 4: Simplify right side
    705,763.20x = 478,408,262,618.88
  5. Step 5: Solve for x
    x = 478,408,262,618.88/705,763.20
  6. Step 6: Final answer
    x = 677,859.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.